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Finding the Fourth Proportional to 556,344.42, 767,755.72 and 301,695.54

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Solution

The fourth proportional to 556,344.42, 767,755.72 and 301,695.54 is: 416,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,344.42 : 767,755.72 = 301,695.54 : x
  2. Step 2: Convert to fraction form
    556,344.42/767,755.72 = 301,695.54/x
  3. Step 3: Cross multiply
    556,344.42x = 767,755.72 × 301,695.54
  4. Step 4: Simplify right side
    556,344.42x = 231,628,476,533.49
  5. Step 5: Solve for x
    x = 231,628,476,533.49/556,344.42
  6. Step 6: Final answer
    x = 416,340.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.